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CHICAGO-LATROBE NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit - NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
CHICAGO-LATROBENAS-Spec High-Speed Steel Aircraft-Extension Drill Bits

CHICAGO-LATROBE NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit

The CHICAGO-LATROBE Aircraft Extension Drill: 25/64" is a NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 3G-OTH-207874). It features a 0.3906-inch diameter, 6" overall length, 135° split point, and black…

SKU 3G-OTH-207874

Brand
CHICAGO-LATROBE
Item
NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit
Part Number
11023
Category
NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
Available to Order
Also known as:11023CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
11023
Type
Black Oxide HSS
Overall Lg
6"
Split Point
135°

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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Aircraft Extension Drill: 25/64" is a NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 3G-OTH-207874). It features a 0.3906-inch diameter, 6" overall length, 135° split point, and black oxide HSS finish, meeting NAS 907 Type B specifications (MPN 11023).

Frequently Asked Questions

What is the CHICAGO-LATROBE Aircraft Extension Drill used for?

This drill is designed for aerospace and industrial applications requiring deep-hole drilling in hard metals. Its 6" overall length and 135° split point reduce walking and improve chip evacuation, making it ideal for aircraft maintenance and fabrication tasks.

What are the specifications of the CHICAGO-LATROBE 25/64" Aircraft Extension Drill?

This NAS 907 Type B drill has a 0.3906-inch diameter, 6" overall length, 135° split point, and black oxide high-speed steel (HSS) finish. The manufacturer part number is 11023, and it meets NAS-spec requirements for aerospace drilling.

Where to buy CHICAGO-LATROBE Aircraft Extension Drill worldwide?

3G Electric supplies this CHICAGO-LATROBE drill worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this NAS 907 Type B drill for your aerospace operations.

How to select the right CHICAGO-LATROBE Aircraft Extension Drill?

Select based on hole diameter and depth requirements. This 25/64" drill with 6" length suits deep holes in aerospace alloys. The 135° split point aids self-centering. For NAS 907 compliance, verify the drill meets Type B specs as this CHICAGO-LATROBE model does.

Used in

Common applications for CHICAGO-LATROBE
Aerospace manufacturing — Chicago-Latrobe NAS-spec jobber-length drill bits (e.g., MPN 42631) for drilling holes in airframe components.
Metal fabrication — Chicago-Latrobe single-flute countersinks (e.g., MPN 56774) for deburring and chamfering holes in steel plates.
Machine shop — Chicago-Latrobe 82° countersinks (e.g., MPN 56738) for creating flush-mount recesses for flat-head screws in assemblies.
Maintenance and repair — Chicago-Latrobe 90° countersinks (e.g., MPN 56760) for chamfering holes and removing burrs on industrial equipment.
Automotive production — Chicago-Latrobe HSS drill bits for holemaking in engine blocks and chassis components.
General machining — Chicago-Latrobe countersinks in various body diameters for chamfering and deburring in job shops.
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CHICAGO-LATROBE Products

3G Electric supplies CHICAGO-LATROBE nas-spec high-speed steel aircraft-extension drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Black oxide high-speed steel aircraft-extension drill bit with 135° split point and 12" overall length. Conforms to NAS 907 Type B. Used for drilling deep holes in aircraft structures and other tight-access industrial applications
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Black oxide high-speed steel aircraft-extension drill bit with 135° split point and 12" overall length. Conforms to NAS 907 Type B. Used for drilling deep holes in aircraft structures and other tight-access industrial applications
This NAS 907 Type B aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point for reduced walking on curved surfaces and an extended 6-inch overall length for reaching confined areas. Suitable for drilling in tough alloys in aerospace and precision metalworking applications
CHICAGO-LATROBE
This NAS 907 Type B aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point for reduced walking on curved surfaces and an extended 6-inch overall length for reaching confined areas. Suitable for drilling in tough alloys in aerospace and precision metalworking applications

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